UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '4hpofgIXitzxlgRKvPMecsWiXwdfhP+38owCE82DjGo=' 
WHERE 
  key_id = 'a43ffd14c87397d8fbe807a1d9cb69d2b6a8e833061a3a3abe9c86de731c99ec' 
  AND (
    token = '4hpofgIXitzxlgRKvPMecsWiXwdfhP+38owCE82DjGo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )